﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace TaskContinueWithDemo
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Btn_ContinueWith_Click(object sender, RoutedEventArgs e)
        {
            Task task = new Task(() =>{
                // 异步延迟 但不影响界面
                Task.Delay(2000);
            this.Dispatcher.Invoke(()=> mainBtn.Content = "任务1");
                //Thread.Sleep(2000);
            });

            task.ContinueWith(t=>{
                Task.Delay(2000);
                this.Dispatcher.Invoke(() => mainBtn.Content = "任务2");
            });

            task.Start();
        }


    }
}
